Zierhut, Marco https://orcid.org/0000-0003-3109-9050
Koop, Sarah https://orcid.org/0009-0003-9166-1129
Bergmann, Niklas
Hahne, Inge
Conell, Ingmar
Kraft, Julia https://orcid.org/0000-0001-7306-1179
Braun, Alice https://orcid.org/0000-0003-1145-0261
Bayer, Mareike
Ta, Thi Minh Tam
Hellmann-Regen, Julian
Thomas, Neil https://orcid.org/0000-0001-7006-6361
Ripke, Stephan
Bajbouj, Malek
Hahn, Eric
Böge, Kerem
Funding for this research was provided by:
https://www.bihealth.org/
Brain and Behavior Research Foundation
Article History
Received: 13 January 2026
Accepted: 17 April 2026
First Online: 30 April 2026
Competing interests
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Marco Zierhut, Niklas Bergmann and Inge Hahne have received fees for counselling and/or lectures from Böhringer Ingelheim. K.B. reports honoraria from Böhringer Ingelheim and from publishers and training institutes for workshops, books and lectures on psychotherapy. He is the co-founder of two digital mental health start-ups.
: During the preparation of this work, the authors used ChatGPT (GPT-5, OpenAI) to improve readability and language, and to assist with troubleshooting R code. After using this tool/service, the authors reviewed and edited the content as needed and take full responsibility for the content of the published article.